Finding the Fourth Proportional to 347,736,708.30, 521,605,062.45 and 343,201,745.10
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Solution
The fourth proportional to 347,736,708.30, 521,605,062.45 and 343,201,745.10 is: 514,802,617.65
Step by Step Solution
- Step 1: Write the proportion equation
347,736,708.30 : 521,605,062.45 = 343,201,745.10 : x - Step 2: Convert to fraction form
347,736,708.30/521,605,062.45 = 343,201,745.10/x - Step 3: Cross multiply
347,736,708.30x = 521,605,062.45 × 343,201,745.10 - Step 4: Simplify right side
347,736,708.30x = 179,015,767,685,834,496 - Step 5: Solve for x
x = 179,015,767,685,834,496/347,736,708.30 - Step 6: Final answer
x = 514,802,617.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.